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  <title>Document</title>
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<body>
  
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  "中华园,北京市,公寓",
  "华景苑,上海市,别墅",
  "新城市广场,深圳市,公寓",
  "雅居乐花园,广州市,别墅",
  "恒大城,广州市,公寓",
  "太阳花园,北京市,别墅"
]

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return obj
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console.log(fn(properties)); 
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